21322070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27691}}^1$

素因数の和:27716

約数の個数: 32

約数和(自身を含む): 47851776

約数和(自身を除く): 26529706

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 27691, 55382, 138455, 193837, 276910, 304601, 387674, 609202, 969185, 1523005, 1938370, 2132207, 3046010, 4264414, 10661035, 21322070]

約数ペア:

[(1, 21322070), (2, 10661035), (5, 4264414), (7, 3046010), (10, 2132207), (11, 1938370), (14, 1523005), (22, 969185), (35, 609202), (55, 387674), (70, 304601), (77, 276910), (110, 193837), (154, 138455), (385, 55382), (770, 27691)]